Oklahoma ZIP Codes

ZIP codes: 765
Cities & towns: 582
Counties: 77
Area codes: 5

How Oklahoma ZIP codes are numbered

730xx–749xx

The first three digits identify the sectional center facility that processes mail for a region, so an Oklahoma ZIP code can be placed geographically from its prefix alone. Each row names the city holding the most codes in that prefix.

Oklahoma three-digit ZIP prefixes, the codes in each, and the city that holds the most of them.
Prefix	ZIP codes	Main area
730xx	89	Edmond
731xx	76	Oklahoma City
734xx	35	Ardmore
735xx	55	Lawton
736xx	34	Elk City
737xx	51	Enid
738xx	20	Woodward
739xx	15	Adams
740xx	75	Stillwater
741xx	52	Tulsa
743xx	34	Grove
744xx	49	Muskogee
745xx	43	Mcalester
746xx	19	Ponca City
747xx	36	Durant
748xx	50	Shawnee
749xx	32	Arkoma

Where Oklahoma's communities sit

Each point is an Oklahoma community with a published ZIP code list, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Oklahoma cities by ZIP code count

largest 25

Area codes serving Oklahoma

Scope every ZIP code recorded in Oklahoma. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. The map outline is a convex envelope of published places, not a state boundary.